This is a process where starting substances change into new substances
What is a chemical reaction?
100
Elements are arrange from 1-118 by this number
What is the atomic number?
100
Fe
What is Iron?
100
These are the elements in Table Salt (NaCl)
What are Na (Sodium) And Cl (Chlorine)?
200
A substance is a particular kind of matter that has this which means that it will always react the same no matter what portion of the substance is used
What is uniform properties?
200
This was the evidence of a chemical reaction when we added water to the mystery mixture
What is bubbling or fizzing?
200
An element is this which can not be broken down into simpler substances
What is a fundamental substance?
200
C
What is Carbon?
200
All life is made up of these three elements
What are Carbon, Hydrogen, and Oxygen?
300
These are fundamental substances meaning they can not be broken-down any further
What are elements?
300
This is one observations of the chemical reaction of the green slime when we added the borax to the school glue
What is it became thick and stringy?
300
In laying out the first periodic table the elements, elements with similar characteristics were placed in these which are still present in the periodic table
What are columns?
300
Na
What is Sodium?
300
This material is one atom thick and one of only a hand full of 2D materials known
What is grapheme or silicene?
400
These are three ways to describe a substance as the our substance vials had them labeled (must give all three)
What are chemical formula, common name, and chemical name?
400
A bomb is a chemical reaction that gives of a tremendous amount of this
What is energy?
400
Gaps in the first Periodic Table of elements help scientists to discover these
What are new elements?
400
Au
What is Gold?
400
These are the elements in Carbon Dioxide (CO2)
What is C (Carbon) and O (Oxygen)
500
These combine to form different types of substances
What are Elements?
500
This is one observation to tell that bread undergoes a chemical reaction
What is color change (brown outside), bubbles on the inside, or different appearance of the substance?